561055060 has 12 divisors (see below), whose sum is σ = 1178215668. Its totient is φ = 224422016.

The previous prime is 561055039. The next prime is 561055069. The reversal of 561055060 is 60550165.

It can be written as a sum of positive squares in 2 ways, for example, as 103266244 + 457788816 = 10162^2 + 21396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561055069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14026357 + ... + 14026396.

It is an arithmetic number, because the mean of its divisors is an integer number (98184639).

Almost surely, 2^561055060 is an apocalyptic number.

It is an amenable number.

561055060 is an abundant number, since it is smaller than the sum of its proper divisors (617160608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561055060 is a wasteful number, since it uses less digits than its factorization.

561055060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28052762 (or 28052760 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 561055060 is about 23686.6008536472. The cubic root of 561055060 is about 824.7743784617.

The spelling of 561055060 in words is "five hundred sixty-one million, fifty-five thousand, sixty".